Reinforced concrete. Image credit surfcivil.blogspot.com ZIMSEC O Level Combined Science Notes: Metal and metal alloy properties and their construction uses
ZIMSEC O Level Combined Science Notes: Experiment:Finding the mechanical advantage of an inclined plane
Aim: Finding the Mechanical Advantage of an inclined plane
Materials: 1m long plank, sandpaper, bricks. cotton reel, nails, thick steel wire, wood block (smoothed on the underside) weights/tin and sand, pliers, string, spring balance/scales
Finding the […]
Syringes showing how a hydraulic machine works ZIMSEC O Level Combined Science Notes: Experiment: To show how a hydraulic Machine increases force
Aim: To show how a hydraulic machine increases force
Materials: small syringe, syringe with larger diameter, plastic tube, water, ruler
Method
Zimbabwe nurse and health worker. Image credit icrc.org ZIMSEC O Level Combined Science Notes: Disease:Immunity and Immunisation
HIV and Its effects
Sterility can cause strain in a relationship. Image credit colossiansfamilynetwork.org ZIMSEC O Level Combined Science Notes: Causes of infertility
Tomato plant with red mite. Image credit thedemogadern.org ZIMSEC O Level Combined Notes: Pest Control
Human nails, one of the products of assimilation. Image credit arithmaroo.com ZIMSEC O Level Combined Science Notes:Products of digestion and the Absorption and Assimilation processes
A balanced diet. Image credit healthandstylish.com ZIMSEC O Level Combined Science Notes: Nutrition
Sugarcane field. Image credit gov.ph ZIMSEC O Level Combined Science Notes: Reproduction in plants: Advantages and disadvantages of vegetative (asexual) production
Advantages
ZIMSEC O Level Combined Science Notes: Selection
